1 files changed, 58 insertions, 0 deletions

diff --git a/include/linux/nfsacl.h b/include/linux/nfsacl.h
new file mode 100644
index 000000000000..54487a99beb8
--- /dev/null
+++ b/include/linux/nfsacl.h
@@ -0,0 +1,58 @@
+/*
+ * File: linux/nfsacl.h
+ *
+ * (C) 2003 Andreas Gruenbacher <agruen@suse.de>
+ */
+#ifndef __LINUX_NFSACL_H
+#define __LINUX_NFSACL_H
+
+#define NFS_ACL_PROGRAM 100227
+
+#define ACLPROC2_GETACL         1
+#define ACLPROC2_SETACL         2
+#define ACLPROC2_GETATTR        3
+#define ACLPROC2_ACCESS         4
+
+#define ACLPROC3_GETACL         1
+#define ACLPROC3_SETACL         2
+
+
+/* Flags for the getacl/setacl mode */
+#define NFS_ACL                 0x0001
+#define NFS_ACLCNT              0x0002
+#define NFS_DFACL               0x0004
+#define NFS_DFACLCNT            0x0008
+
+/* Flag for Default ACL entries */
+#define NFS_ACL_DEFAULT         0x1000
+
+#ifdef __KERNEL__
+
+#include <linux/posix_acl.h>
+
+/* Maximum number of ACL entries over NFS */
+#define NFS_ACL_MAX_ENTRIES     1024
+
+#define NFSACL_MAXWORDS         (2*(2+3*NFS_ACL_MAX_ENTRIES))
+#define NFSACL_MAXPAGES         ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \
+                                 >> PAGE_SHIFT)
+
+static inline unsigned int
+nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default)
+{
+        unsigned int w = 16;
+        w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12;
+        if (acl_default)
+                w += max((int)acl_default->a_count, 4) * 12;
+        return w;
+}
+
+extern unsigned int
+nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
+              struct posix_acl *acl, int encode_entries, int typeflag);
+extern unsigned int
+nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt,
+              struct posix_acl **pacl);
+
+#endif /* __KERNEL__ */
+#endif  /* __LINUX_NFSACL_H */